Real-time voice AI - from cricket to credit cards. Live app. Open source.
Published: January 19, 2025
Real-Time Voice AI - From Cricket to Credit Cards 👉 Try it: tigzig.com/rt-cricket Mobile Friendly. Open Source. Eleven Labs
Built with Eleven Labs Conversational AI rapid deploy voice widget.
20+ years of ODI Cricket data. 1.5M rows in PostgreSQL.
Testing realtime conversational AI - querying and DB-backed conversations:
REX-C is a database-connected AI assistant built with ElevenLabs for real-time voice-to-SQL and more. While the demo uses cricket data, it can supports domains like finance, retail and beyond.
Realtime Options - tested with live working prototypes
- OpenAI Realtime API (REX-R): ~10c/min (GPT-4 Turbo Mini) + WebRTC. Gold standard. Needs full coding; starter kits available. REX-R V2 coming soon.
- ElevenLabs (REX-C): ~20c/min. Easy setup, rapid deploy, full SDK/API for customization.
Other Options:
- Hume AI: ~7c/min. Expression analysis, Next.js templates.
- VAPI: ~5c/min + actuals. SDK/API.
- Others: Google Gemini Flash 2.0, Bland AI, Synthflow AI (~10c/min).
Pricing varies by usage. Most support inbound/outbound call integrations.
Source Code/ Tech
Lightweight UI (~80kb Vanilla JavaScript, single code file). FastAPI for DB, ElevenLabs for voice, Flowise AI for LLM, Make.com for workflows.
Caveat:
Working prototype. Single agent. Data is unvalidated, sourced from Cricsheet.org's experimental CSV/ZIP
Cricket data from Cricsheet, published under the Open Data Commons Attribution License 1.0 (ODC-BY).
Working on something similar? How I work covers the rates, the availability and what I take on.